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74AC11245 Datasheet(PDF) 5 Page - Texas Instruments

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Part No. 74AC11245
Description  OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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74AC11245 Datasheet(HTML) 5 Page - Texas Instruments

   
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74AC11245
OCTAL BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCAS010B – JULY 1987 – REVISED APRIL 1996
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
operating characteristics, VCC = 5 V, TA = 25°C
PARAMETER
TEST CONDITIONS
TYP
UNIT
C d
Power dissipation capacitance per transceiver
Outputs enabled
CL =50 pF
f=1MHz
64
pF
Cpd
Power dissipation capacitance per transceiver
Outputs disabled
CL = 50 pF,
f = 1 MHz
16
pF
PARAMETER MEASUREMENT INFORMATION
From Output
Under Test
CL = 50 pF
(see Note A)
LOAD CIRCUIT
S1
2
× VCC
500
500
tPLH
tPHL
Output
Control
(low-level
enabling)
Output
Waveform 1
S1 at 2
× VCC
(see Note B)
Output
Waveform 2
S1 at GND
(see Note B)
VOL
VOH
tPZL
tPZH
tPLZ
tPHZ
50%
50%
50%
50%
[ VCC
VCC
0 V
50% VCC
50% VCC
VOH
VOL
0 V
50% VCC
20% VCC
50% VCC
80% VCC
[ 0 V
VCC
GND
Open
Input
Output
VOLTAGE WAVEFORMS
VOLTAGE WAVEFORMS
tPLH /tPHL
tPLZ /tPZL
tPHZ /tPZH
Open
2
× VCC
GND
TEST
S1
NOTES: A. CL includes probe and jig capacitance.
B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control.
C. All input pulses are supplied by generators having the following characteristics: PRR
≤ 1 MHz, ZO = 50 Ω, tr = 3 ns, tf = 3 ns.
D. The outputs are measured one at a time with one input transition per measurement.
Figure 1. Load Circuit and Voltage Waveforms


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